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HORSEPOWER, INC Big Bore Throttle Body HPI-55D1-16B for Twin Cam - 55 mm Black
Regular price $784.95 USD
Category:
Upgrade your motorcycle's performance with the HORSEPOWER, INC Big Bore Throttle Body HPI-55D1-16B, designed specifically for Twin Cam engines. This high-performance throttle body features a CNC ported intake manifold and internal machining that significantly enhances airflow, resulting in increased horsepower and torque for a more responsive ride. The kit includes a throttle body, intake flanges, seals, throttle cable bracket, and a stock bolt pattern and air cleaner opening for easy installation. Each component is precision-machined and flow-tested on a flow bench to ensure optimal airflow and performance consistency.
Constructed with a brass throttle blade, the HPI-55D1-16B resists deflection, helping maintain throttle position accuracy even under demanding conditions. It is equipped with a sealed double roller bearing that provides smooth throttle operation and durability over time. Compatibility with all factory OEM electronics, including cruise control systems, means you can upgrade without sacrificing any of your motorcycle’s original features. Made in the USA, this throttle body combines quality craftsmanship with performance enhancements, making it suitable for riders seeking reliable power gains. Whether you're customizing your bike for street riding or performance competitions, this throttle body offers a straightforward upgrade that delivers real results.
Engineered for durability and performance, the HORSEPOWER, INC Big Bore Throttle Body HPI-55D1-16B is an excellent choice for Twin Cam enthusiasts aiming to optimize airflow and engine output. Its black finish adds a sleek look, complementing your bike's aesthetic while providing durable corrosion resistance. Experience improved throttle response and power delivery with this precision component designed for demanding riders who want to maximize their engine’s potential.
Features:
- Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges, and seals
- Flow bench-tested and dyno-proven to increase airflow, horsepower, and torque
- Brass throttle blade resists deflection for throttle position accuracy
- Sealed double roller bearing for smooth throttle operation
- Compatible with all factory OEM electronics, including cruise control
- Fully machined and internally ported for optimal airflow
- Stock bolt pattern and air cleaner opening for easy installation
- Made in the USA





